CN105228526A - Mammography apparatus - Google Patents
Mammography apparatus Download PDFInfo
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- CN105228526A CN105228526A CN201380076754.9A CN201380076754A CN105228526A CN 105228526 A CN105228526 A CN 105228526A CN 201380076754 A CN201380076754 A CN 201380076754A CN 105228526 A CN105228526 A CN 105228526A
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- pressing pad
- checked
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- support portion
- pressing
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/50—Clinical applications
- A61B6/502—Clinical applications involving diagnosis of breast, i.e. mammography
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computerised tomographs
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/04—Positioning of patients; Tiltable beds or the like
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/04—Positioning of patients; Tiltable beds or the like
- A61B6/0407—Supports, e.g. tables or beds, for the body or parts of the body
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/04—Positioning of patients; Tiltable beds or the like
- A61B6/0407—Supports, e.g. tables or beds, for the body or parts of the body
- A61B6/0414—Supports, e.g. tables or beds, for the body or parts of the body with compression means
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/04—Positioning of patients; Tiltable beds or the like
- A61B6/0407—Supports, e.g. tables or beds, for the body or parts of the body
- A61B6/0421—Supports, e.g. tables or beds, for the body or parts of the body with immobilising means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4429—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units
- A61B6/4435—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit and the detector unit being coupled by a rigid structure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4429—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units
- A61B6/4435—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit and the detector unit being coupled by a rigid structure
- A61B6/4441—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit and the detector unit being coupled by a rigid structure the rigid structure being a C-arm or U-arm
Abstract
The present invention relates to mammography apparatus object being carried out to X-ray.This device comprises: generator, its X-ray irradiation; In the face of the object support unit of generator, and pressing pad, described pressing pad moves between described generator and object support unit, to press object, at least one wherein in object support unit and described pressing pad is rotatably installed in the side place of described mammography apparatus, and under the pressing initial state of pressing object, in object support unit and pressing pad be rotatably mounted at least one be constructed so that its leading section towards examiner flexibly deflects into the position tilted towards object.
Description
Technical field
The present invention relates to the mammography apparatus for taking a picture to target X-ray to be checked, and more specifically, relating to the mammography apparatus of the misery can alleviated when pressing pad presses target to be checked.
The present invention stems from the research [project management number: 10037414, entry name: the nano material based on many x-ray source and tomography system technological development] of a part for the nano material based on many x-ray source and tomography system technological development performed as kownledge economy portion (TheMinistryofKnowledgeEconomy).
Background technology
The application based on and require the rights and interests of the priority of the korean patent application 10-2013-0034405 that on March 29th, 2013 submits in Korean Intellectual Property Office, whole disclosures of this application are incorporated to herein by reference.
X-ray usually refers to following short wavelength's electromagnetic wave, and it has the wavelength and 30 × 10 of 0.01nm to 10nm
15hz is to 30 × 10
18the frequency of Hz.X-ray radiography is projected and one of radiography shown by the inside of high-penetration ability to target to be checked of x-ray.As the well-known, be conveyed through in the process of object in x-ray, x-ray relates to the relaxation phenomenon of material, density and the thickness depending on object, such as Compton scattering, photoelectric effect etc.Therefore, X-ray radiography projects based on the x-ray attenuation accumulated in the process of x-ray by target to be checked and shows the interior section of target to be checked.For this reason, special X-ray system is used.
Recently, x-ray image technology has promptly developed into the digital x-ray image technology with various advantage, such as higher resolution, wide dynamic area, be easy to produce the signal of telecommunication, data process and store simple etc., instead of the traditional analog scheme using film, film is transplanted to semiconductor applications.Digital video technology reflects clinical setting demand consumingly, such as based on the disease early diagnosis of the remarkable diagnosis capability of digital image.
Therefore, introduce " the Digital Mammography method " as the special X-ray radiography technology of breast, the chest internal structure corresponding to target to be checked can be expressed as high-definition picture by using the exclusive biological organization contrast ability of x-ray by it, detect lesion and miniature calcification, to detect and early diagnosis breast carcinoma.Digital Mammography method, due to exclusive characteristic promptly spread out, is such as reduced by the image zoom that regulates brightness and contrast to realize together with the various advantages of digital x-ray image technology, photograph number of times, resolution increases and radiation minimumization.
General mammography apparatus mainly comprises: support column, and described support column has the bottom being fixed to bottom, and has vertical posts shape; And C arm or apparatus main body, it is arranged on and support column rises with in the vertical direction or declines, and has C shape or the shape similar with C shape generally, and wherein its central cage structure becomes rotatable relative to horizontal axis.The generator irradiating x-ray towards apparatus main body bottom is arranged on the upper end of apparatus main body, and is arranged on apparatus main body bottom towards the detector of generator.Along apparatus main body inner surface vertically and linearly reciprocating pressing pad be arranged between generator and detector.
In mammography apparatus as above, when object photograph location be in stand or seating condition time, apparatus main body rises relative to support column or declines and rotate, so that the height of adjusting device main body and angle, thus object chest is placed in target location on detector then, pressing pad moves towards detector, to press chest.Under this state, generator irradiates x-ray towards chest and detector, and is arranged on the x-ray of chest detector reception below by chest, to obtain image.
That is, detector produces the signal of telecommunication proportional with the amount of incident x-ray for each position, and read the signal of telecommunication and positional information, the signal of telecommunication read by image processing algorithm process and positional information, the chest x-ray images of corresponding angle can be obtained then thus, at rotating generator and detector and breast between generator and detector repeat said process, mammography apparatus can obtain the object chest high-definition picture at various mediolateral oblique angle thus.
In the general mammography apparatus with above-mentioned photographing principles, be the pressing operation of pressing pad and the rising of apparatus main body or decline and rotation process for minimizing object crucial driving device that is uncomfortable and that obtain high-quality x-ray image.Especially, due to when x-ray is taken a picture, pressing pad applies directed pressure to chest, and it is directly related to object and experiences painful and uncomfortable, and because apparatus main body is by rising or decline and accurate photograph location being determined in rotation, it is directly related to the quality of x-ray image.
Here, pressing pad pressing chest, to take a picture to chest under following state: wherein chest is pressed, seeming that lump overlapping with mammary gland (lesion or the higher part of miniature calcification probability) etc. separates with mammary gland.
But the pressing pad pressing of the maximum misery experienced as object causes more uncomfortable.In addition, when the misery that object causes because pressing pad presses and uncomfortable and mobile time, breast leaves photograph location, thus can not obtain accurate x-ray image.Especially, pressing pad presses the misery caused mainly to be felt at the special extremity at object chest (part of contiguous nipple) place, and uncomfortable further increase increases.
Summary of the invention
[technical problem]
Therefore, the present invention has been completed to solve the problems referred to above of correlation technique.The object of the invention is to provide a kind of mammography apparatus, its can by removing or minimize pressing pad and pressing target to be checked time be applied to the misery of object or uncomfortablely provide comfortableness to object and high photograph precision is provided.
[technical solution]
According to aspect of the present invention, provide a kind of mammography apparatus, comprising: generator, it irradiates x-ray; For the support portion of target to be checked, described support portion comprises the detector be arranged to towards described generator; And pressing pad, described pressing pad moves between described generator and the described support portion for target to be checked, to press target to be checked, the side place of described mammography apparatus is wherein rotatably installed in at least one in the described support portion of target to be checked and described pressing pad, and under the pressing initial state of target to be checked, be constructed so that its leading section towards object flexibly deflects into towards the position of target tilt to be checked at least one of being rotatably mounted in the described support portion of target to be checked and pressing pad.
Under the pressing completion status of target to be checked, can be configured to be parallel to each other for the support portion of target to be checked and pressing pad.
The edge at least contacting target to be checked at it for the described support portion of target to be checked and the leading section of at least one of rotatably installing in described pressing pad can have round-shaped.
Can have following shape for the leading section of at least one of rotatably installing in the described support portion of target to be checked and described pressing pad, wherein leading section becomes in described leading section the side deviating from target to be checked and is bent upwards.
Mammography apparatus may further include: elastic component, when for obliquity under the pressing initial state being in target to be checked of at least one of rotatably installing in the support portion of target to be checked and pressing pad and be in target to be checked pressing completion status under parallel position between rotate time, described elastic component provides elasticity to at least one of rotatably installing in the support portion of target to be checked and pressing pad; And block, described block limits the angle of described rotation.
Mammography apparatus may further include: described generator and for target to be checked support portion between the pressing pad support portion of movement, wherein said pressing pad is rotatably connected to pressing pad support portion.
Described elastic component can be disc spring between pressing pad and pressing pad support portion and at least one in being arranged on hinge axis pressing pad being rotatably connected to pressing pad support portion torque spring.
[advantageous effects]
As above according in the mammography apparatus of exemplary embodiment of the invention, when pressing pad presses target to be checked, the part experiencing less misery is changed with the pressing of the part experiencing larger misery, namely, thrust concentrates on the part experiencing less misery, and the part experiencing larger misery is slowly pressed, make it possible to remove or minimize the misery that is applied to object or uncomfortable thus.
In addition, because X-ray radiography can perform under this comfort conditions, high photograph precision can be reached, to reduce the number of times of unnecessary photograph, can reduce thus and x-ray is exposed.
Accompanying drawing explanation
Fig. 1 illustrates the perspective view according to the whole structure of the mammography apparatus of exemplary embodiment of the invention.
Fig. 2 A is the plane graph formed according to the pressing pad of the mammography apparatus of exemplary embodiment of the invention and the example of pressing pad support portion.
Fig. 2 B is the cross-sectional view of pressing pad and the pressing pad support portion intercepted along the line B-B of Fig. 2 A.
Fig. 3 is the plane graph formed according to the pressing pad of the mammography apparatus of exemplary embodiment of the invention and another example of pressing pad support portion.
Fig. 4 A to 4C is the schematic diagram of the process illustrated by pressing target to be checked according to the mammography apparatus of exemplary embodiment of the invention.
Fig. 5 is the side view illustrating the modified example that can be used on according to the pressing pad in the mammography apparatus of exemplary embodiment of the invention.
Fig. 6 illustrates the figure that can be used according to the variety classes torque spring in the mammography apparatus of exemplary embodiment of the invention.
Detailed description of the invention
According to following detailed description and accompanying drawing, additional object of the present invention, feature and advantage can more clearly be understood.Before the invention is described in detail, the present invention can have various amendment and change, and has multiple illustrative embodiments.As described below and in the accompanying drawings illustrative example do not limit the invention to concrete illustrative embodiments.In addition, in the scope of following claim, can various correction, change and amendment be carried out, and be appreciated that these are revised, change and amendment falls within the scope of the invention.
To understand, when an element is called " being connected to " or " being connected to " another element, it can be directly connected to or directly be connected to another element, or is indirectly connected to or is indirectly connected to another element, falls between with other element.On the other hand, will understand, when an element is called " being directly connected to " or " being directly connected to " another element, it can be connected to or be connected to another element, falls between without other element.
The term that this description uses is only in order to describe concrete illustrative embodiments, instead of restriction the present invention.Singulative comprises plural form, unless context clear instruction in addition.To understand in addition, the term that this description uses " comprises ", " having " etc. be intended to enumerate mention in this description feature, numeral, step, operation, parts, part or its combination existence, do not get rid of exist or be added with one or more further features, numeral, step, operation, parts, part or its combine.
The term " part ", "-device ", " unit ", " module " etc. that illustrate in this description refer to the processing unit of at least one function or operation, and can be performed by the combination of hardware or software or hardware and software.
Be described with reference to the drawings in the present invention, same parts will be indicated by same reference numerals, and therefore will omit repeated description.When determine to relate to known technology of the present invention detailed description can unnecessarily fuzzy main idea of the present invention time, by this detailed description of omission.
Hereinafter, be described in detail with reference to accompanying drawing according to the Digital Mammography subtraction unit of exemplary embodiment of the invention.Although digital mammography apparatus to be described as the example of " mammography apparatus " in this manual, the present invention is not limited to this, but also can be applicable to analog mammography apparatus.
With reference to figure 1, Fig. 1 illustrates the perspective view according to the whole structure of the mammography apparatus of exemplary embodiment of the invention, be configured to comprise according to the mammography apparatus of exemplary embodiment of the invention: apparatus main body 100, it comprises for the radiographic basic element of character; With support column 200, apparatus main body 100 is connected to support column 200, with vertically removable.Support column 200 has the bottom and the support member with vertical column that are fixed to bottom, provides vertical pivot so that apparatus main body 100 can rise or decline on vertical extension direction to apparatus main body 100.
Apparatus main body 100 has wherein up and down (two) end face and, to arcuate shape each other, and is referred to as C arm, because it has C shape substantially or is similar to the shape of C shape.Apparatus main body 100 comprises: post link 110, and it is connected to support column 200 to rise in a vertical direction or to decline; With vertical link 120, it is connected to post link 110, so that rotatable relative to post link 110.Apparatus main body 100 comprises: generator 130, it is arranged on an end of the vertical link 120 of apparatus main body 100 (such as, upper end in this exemplary enforcement side) place, and the other end of the vertical link 120 towards an end towards vertical link 120 (bottom such as, in this exemplary enforcement side) irradiates x-ray; Detector 140, it is arranged on the other end place of vertical link 120, towards generator 130; With pressing pad 150, it moves back and forth linearly along the inner surface of apparatus main body 100 between generator 130 and detector 140, and has plate shape.Here, pressing pad 150 is provided with painful slowing device, for slowing down misery when pressing pad 150 presses target to be checked.Painful slowing device will illustrate in greater detail below again.
Meanwhile, goal setting to be checked between pressing pad 150 and detector 140, and performs X-ray radiography to target to be checked.Alternatively, inspection plate 160 can optionally be arranged between pressing pad 150 and detector 140, and target to be checked can be arranged between pressing pad 150 and inspection plate 160, and can perform x-ray photograph to target to be checked.That is wherein in the non-existent situation of inspection plate 160, detector 140 is used as the support portion of target to be checked, and exists in the situation of inspection plate 160 wherein, and inspection plate 160 is used as the support portion of target to be checked.
Vertical link 120 is connected to post link 110, so that rotatable relative to horizontal axis, thus breast can be taken a picture with mediolateral oblique, and be arranged on post link 110 place for the rotation driving section (not shown) making vertical link 120 rotate as mentioned above.
Vertical link 120 consists essentially of: up and down (two) end, and generator 130 and detector 140 are arranged on up and down on (two) end respectively; And pillar, it will be connected to each other (two) end up and down.The pressing pad support portion 152 that pressing pad 150 is attached thereto is slidably mounted on the pillar of vertical link 120, and the side for making the driving device of the vertical movement in pressing pad support portion 152 be arranged on vertical coupling part 120.In some instances, the breast be arranged on detector 140 or on inspection plate 160 is pressed by the above-mentioned vertical movement of pressing pad support portion 152 with the pressing pad 150 being connected to pressing pad support portion 152.
The generator 130 being arranged on the upper end of apparatus main body 100 allows to have the electronics of kinetic energy and metallic target to collide device to produce x-ray, and preferably include and control the direction of illumination of x-ray or the optical system of irradiation area, such as quasi-optical device etc.
The detector 140 be arranged on the bottom of apparatus main body 100 is for receiving by the x-ray of breast to obtain the device of image substantially, and because breast is placed on detector 140, detector 140 also can serve as the support portion for target to be checked, for supporting breast.That is breast is placed on detector 140, is then pressed pad 150 and presses, so that breast is pressed against between detector 140 and pressing pad 150, and breast is by under the state that presses as described above wherein, and breast is taken a picture by generator 130 and detector 140.Detector 140 produces the signal of telecommunication for each position proportional with the amount of incident x-ray, and reads the signal of telecommunication and positional information, and the signal of telecommunication read by image processing algorithm process and positional information, can chest x-ray images be obtained thus.Here, according to the general technology content of the scheme of conversion x-ray, such as directly obtain the signal of telecommunication from x-ray and not there is the direct conversion plan of independent intermediate steps, by the luminous ray indirect conversion scheme indirectly obtaining the signal of telecommunication etc. from x-ray conversion, can detector 140 be widely used in.
Inspection plate 160 can comprise as selective part, using alternative detector 140 as the function of the support portion for target to be checked.Comprise in the situation of inspection plate 160 wherein, breast is pressed pad 150 and inspection plate 160 presses, and breast is in this condition taken a picture by generator 130 and detector 140.Therefore, detector 140 only performs the x-ray of reception by breast to obtain the function of image.
Then, for slowing down the example of the painful slowing device by voltage levels of target to be checked with reference to Fig. 2 A and 2B explanation.Fig. 2 A is formed according to the pressing pad of the mammography apparatus of exemplary embodiment of the invention and the plane graph of example of pressing pad support portion comprising painful slowing device, and Fig. 2 B is the cross-sectional view of pressing pad and the pressing pad support portion intercepted along the line B-B of Fig. 2 A.
Substantially, painful slowing device of the present invention is intended to from wherein not pressing target to be checked to the pressing initial state that target to be checked applies to press to changing the gradient of pressing pad 150 for radiographic pressing completion status.That is, when pressing pad 150 presses target to be checked, the proximal portion (part of contiguous thorax) experiencing the target to be checked of less misery can press from the initial stage, and the extremity (part of contiguous nipple) experiencing the target to be checked of bigger misery slowly can press from later phases.
In detail, pressing pad 150 and pressing pad support portion 152 are connected to each other, so that relative to each other rotatable in the direction of the width by the hinge axis 151 of pressing pad 150.For this reason, pressing pad 150 comprises hinge axis installation portion 150a outstanding on the lower surface thereof downwards, as shown in Figure 2.A hinge axis installation portion 150a is formed on each sidepiece in pressing pad 150 both sides in the direction of the width.That is, form two hinge axis installation portion 150a.In detail, hinge axis installation portion 150a is formed on pressing pad 150 both sides in the direction of the width, is positioned at the position of separating preset distance from the central part of pressing pad 150 towards pressing pad support pads 152.In addition, pressing pad support portion 152 comprises: first component 152a, and it has the one end being connected to vertical link 120; With second component 152b, it branches into Liang Ge branch from the other end of first component 152a.The leading section branching into the second component 152b of Liang Ge branch is connected respectively to the hinge axis installation portion 150a of pressing pad 150 by hinge axis 151.Therefore, the pressing pad 150 with plate shape is connected to pressing pad support portion 152, so that rotatable relative to pressing pad support portion 152 on pressing pad support portion 152.
Pad side support fixture 150b is formed in the rearward end towards pressing pad support portion 152 of pressing pad 150.Pad side support fixture 150b is in pressing pad 150 rearward end place in pressing pad 150 two sides in the direction of the width protrudes.Especially, side support fixture 150b is parallel to the contact pressing pad support portion 152, position for the support portion of target to be checked second component 152b at pressing pad 150 is padded.Pad side support fixture 150b can be used as block, as described below.In addition, side, the support portion support fixture 152bc with recessed shape is formed in the position corresponding to pad side support fixture 150b and is on the upper surface of pressing pad support portion 152.Disc spring 154 as elastic device between pad side support fixture 150b and side, support portion support fixture 152bc between.
Pressing pad 150 has block 150c, and block 150c is outstanding under being in the marginal situation of hinge axis 151 towards the position of pad side support fixture 150b on its two sides in the width direction.Here, block 150c can contact the leading section of the second component 152b of pressing pad support portion 152.Block 150c is used for limiting the inclination angle of initial state.
In structure as above, loaded pressing initial state is not executed at spring 154 and block 150c, that is under the state pressed not being applied to target to be checked wherein, pressing pad 150 remains on following state, wherein the leading section of its contiguous object is towards target tilt to be checked, that is following state, wherein leading section is downward-sloping.In pressing initial state, the inclination angle of pressing pad 150 can be determined by the position of block 150c, thickness etc.That is in pressing initial state, pressing pad 150 is tending towards being rotated in a clockwise direction around hinge axis 151 (see Fig. 2 B) by the elastic force of the spring 154 between pad side support fixture 150b and side, support portion support fixture 152bc.But under predetermined rotation status, the block 150c of pressing pad 150 contacts the leading section of the second component 152b of pressing pad support portion 152, to limit the rotation of pressing pad 150, to keep pressing pad 150 at the inclination angle of initial state.
In addition, when pressing pad 150 performs pressing to target to be checked, pressing pad 150 is rotated around hinge axis 151 (see Fig. 2 B) in the counterclockwise direction by the repulsive force transmitted from target to be checked.By above-mentioned rotation, the pad side support fixture 150b of pressing pad 150 contacts the second component 152b of pressing pad support portion 152, to limit the rotation of pressing pad 150 to the position parallel with the support portion for target to be checked.
Pressing pad 150 initial angled position as above and final position are by the block 150c of pressing pad 150 and pad the position that side support fixture 150b contacts pressing pad support portion 152 and determine, but spring 154 initial/final lengths, modulus of elasticity etc. need when determining initial angled position and the final position of pressing pad 150 to take in.
Pressing pad 150 illustrates in figure 3 with another modified example of the pressing pad support portion 152 being applied with painful slowing device.In the illustrative modified example of Fig. 3, pad side support fixture 150b can protrude in the centre of the rearward end of pressing pad 150.Here, side, the support portion support fixture 152bc with the recessed shape identical with shape shown in Fig. 2 B is formed in the upper surface of pressing pad support portion 152, is corresponding to the position of pad side support fixture 150b.Other parts, the disc spring 154 such as between pad side support fixture 150b and side, support portion support fixture 152bc, block 150c etc., roughly the same with those of the example shown in Fig. 2 A with 2B.As another example, torque spring (see Fig. 4 A-4C) also can be arranged on hinge axis 151, replaces disc spring 154, pressing pad support portion 152 does not form side, support portion support fixture 152bc.The operation of these examples is identical with those in the example shown in Fig. 2 A with 2B.
In addition, those skilled in the art can easy to understand, allows pressing pad 150 leading section downward-sloping and allow pressing pad 150 to be set to other parts parallel with the support portion for target to be checked in pressing completion status can to implement with other various ways being different from example as above and modified example in pressing initial state.
Then, the process pressing target to be checked according to the mammography apparatus of exemplary embodiment of the invention is described through with reference to Fig. 4 A-4C.In Fig. 4 A and 4C, the parts described in Figures 2 A and 2 B, such as spring 154, support fixture 150b and 152bc, block 150c etc. are omitted, so that the clear display of the operation of main parts.
First, Fig. 4 A shows pressing initial state, and be wherein arranged on detector 140 (or when having inspection plate 160, inspection plate 160) as the breast B R of target to be checked, pressing pad 150 declines to start to contact target BR to be checked.Under this state, the leading section towards breast B R of pressing pad 150 is downward-sloping due to the spring 154 between pad side support fixture 150b and side, support portion support fixture 152bc.Under the state that the leading section of pressing pad 150 tilts as described above wherein, the proximal portion (part of contiguous thorax) of the leading section contact breast B R of pressing pad 150.
Then, as shown in Figure 4 B, when pressing pad 150 declines to perform the pressing to breast B R, pressing pad 150 is rotated in the counterclockwise direction around hinge axis 151 by the repulsive force transmitted from breast B R as shown in arrow in Fig. 4 B.In this example, the extremity of the contact surface between pressing pad 150 and breast B R from the proximal portion of breast B R to breast B R (part of contiguous nipple) little by little increases.
As shown in Figure 4 C, when pressing pad 150 decline until final pressing position time, the pad side support fixture 150b of pressing pad 150 contacts the second component 152b of pressing pad support portion 152, so that pressing pad 150 is arranged to parallel with the support portion for target to be checked.In this example, the contact surface between pressing pad 150 and breast B R farthest increases, so that pressing pad 150 becomes the state that wherein can obtain and expect x-ray image.Depend on the modulus of elasticity of spring 154, pressing pad 150 also can it declines under being arranged to the state parallel with the support portion for target to be checked until final pressing position wherein before arriving at final pressing position.
As mentioned above, change during the gradient period that pressing pad 150 presses breast B R wherein due to pressing pad 150, painful less breast B R proximal portion (part of contiguous thorax) first starts to be pressed (see Fig. 4 A), so that thrust concentrates on proximal portion (in whole pressing process), and the breast B R extremity that misery is larger (part of contiguous nipple) is pressed lentamente after pressing process performs to a certain extent.Therefore, can obviously slow down by voltage levels, the misery of object can be reduced at painful major part (part of contiguous nipple) place.
According to above-mentioned structure, due under pressing initial state, the proximal portion (part of contiguous thorax) of the leading section of pressing pad 150 contact breast B R, when front-end edge place angulation at pressing pad 150, can cause object painful.Therefore, the leading section of pressing pad 150 has round-shaped, as shown in Fig. 2 B and 4A-4C, can eliminate the misery that may be caused by pressing pad 150 leading section under the pressing initial state of breast.Although the lower edges place, leading section at pressing pad 150 in Fig. 2 B and 4A-4C forms circle, this circle also only can be formed in the lower edge contacting target to be checked.
On the other hand, when the leading section of pressing pad 150 has the shape be bent upwards as shown in Figure 5, the misery that may be caused by the leading section of pressing pad 150 under the pressing initial state of breast can be removed.Round-shaped and curved shape also can be applied to detector 140 (or inspection plate 160) similarly.
Although be described above the example of pressing pad 150 and pressing pad support pads 152, the present invention is being not limited to this.Such as, the present invention can implement as follows: be configured to rotatable relative to apparatus main body 100 by the support portion (detector 140 or inspection plate 160) being used for target to be checked, and under pressing initial state, make the leading section elastic deflection of the support portion for target to be checked of contiguous object to be inclined upwardly towards target to be checked.Equally in this example, preferably, when pressing completes, the support portion (detector 140 or inspection plate 160) for target to be checked is parallel to pressing pad 150.In addition, pressing pad 150 and the support portion for target to be checked can be also applied to according to painful slowing device of the present invention.
Those skilled in the art for the field that the invention relates to will apparently, and the invention described above is not limited to above-mentioned illustrative embodiments and accompanying drawing, and can replace in every way, revises and change, and does not depart from scope and spirit of the present invention.
Claims (7)
1. mammography apparatus, comprising:
Generator, it irradiates x-ray;
For the support portion of target to be checked, described support portion comprises the detector be arranged to towards described generator; With
Pressing pad, described pressing pad moves between described generator and the described support portion for target to be checked, to press target to be checked,
The side place of described mammography apparatus is wherein rotatably installed in at least one in the described support portion of target to be checked and described pressing pad, and under the pressing initial state of target to be checked, be constructed so that its leading section towards object flexibly deflects into towards the position of target tilt to be checked at least one of being rotatably mounted in the described support portion of target to be checked and pressing pad.
2. mammography apparatus according to claim 1, wherein under the pressing completion status of target to be checked, is configured to be parallel to each other for the support portion of target to be checked and pressing pad.
3. mammography apparatus according to claim 1 and 2, the edge wherein at least contacting target to be checked at it for the described support portion of target to be checked and the leading section of at least one of rotatably installing in described pressing pad has round-shaped.
4. mammography apparatus according to claim 1 and 2, wherein have following shape for the leading section of at least one of rotatably installing in the described support portion of target to be checked and described pressing pad, wherein leading section becomes in described leading section the side deviating from target to be checked and is bent upwards.
5. mammography apparatus according to claim 1 and 2, be included in further described generator and for target to be checked support portion between the pressing pad support portion of movement,
Wherein said pressing pad is rotatably connected to pressing pad support portion.
6. mammography apparatus according to claim 1 and 2, comprises further:
Elastic component, when for obliquity under the pressing initial state being in target to be checked of at least one of rotatably installing in the support portion of target to be checked and pressing pad and be in target to be checked pressing completion status under parallel position between rotate time, described elastic component provides elasticity to at least one of rotatably installing in the support portion of target to be checked and pressing pad; With
Block, described block limits the angle of described rotation.
7. mammography apparatus according to claim 6, wherein said elastic component is disc spring between pressing pad and pressing pad support portion and at least one in being arranged on hinge axis pressing pad being rotatably connected to pressing pad support portion torque spring.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2013-0034405 | 2013-03-29 | ||
| KR1020130034405A KR102080176B1 (en) | 2012-03-29 | 2013-03-29 | Mammography apparatus |
| PCT/KR2013/008767 WO2014157795A1 (en) | 2013-03-29 | 2013-09-30 | Mammography apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105228526A true CN105228526A (en) | 2016-01-06 |
| CN105228526B CN105228526B (en) | 2018-06-08 |
Family
ID=51625717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380076754.9A Active CN105228526B (en) | 2013-03-29 | 2013-09-30 | Mammography apparatus |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9883846B2 (en) |
| EP (1) | EP2979639B1 (en) |
| JP (1) | JP6099805B2 (en) |
| CN (1) | CN105228526B (en) |
| WO (1) | WO2014157795A1 (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP6099805B2 (en) | 2017-03-22 |
| US9883846B2 (en) | 2018-02-06 |
| US20160045178A1 (en) | 2016-02-18 |
| EP2979639B1 (en) | 2017-11-29 |
| WO2014157795A1 (en) | 2014-10-02 |
| CN105228526B (en) | 2018-06-08 |
| JP2016514539A (en) | 2016-05-23 |
| EP2979639A4 (en) | 2016-03-30 |
| EP2979639A1 (en) | 2016-02-03 |
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